Researchers from the University of Michigan and Georgetown University studied 162 such stroke patients who were receiving care at Georgetown University Medical Center, according to HealthDay. After a year of research, they found that 63 percent of African-American patients had high blood pressure compared to 38 percent of white patients.

But the researchers say they’re not sure why the disparity exists among racial lines. Black patients, despite being twice as likely to be on high blood pressure medication to control their hypertension, still had the worst blood pressure.

"Blood pressure is not just about taking medications," said study author Dr. Darin Zahuranec, an assistant professor of neurology at the University of Michigan Cardiovascular Center, in a journal news release. "Patients can have a very large impact on blood pressure control by making changes to diet and exercise habits, and with weight loss. We need to do more for our patients to help them get their blood pressure under control."

— Eat a healthy diet. Eating foods low in saturated fat and cholesterol and high in fiber can help prevent high blood cholesterol. Limiting salt or sodium in your diet can also lower your blood pressure.

— Maintain a healthy weight. Being overweight or obese can increase your risk of stroke.

— Be active. Physical activity can help you maintain a healthy weight and lower cholesterol and blood pressure. The Surgeon General recommends that adults should engage in moderate-intensity exercise for at least 30 minutes on most days of the week.

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